Firing ceramic tiles in solar energy equipment
In the interest of satisfying the growing demand for glazed ceramic tiles and conserving the natural gas ordinarily used to fire them, the authors assess the feasibility of using a solar kiln for the process. Their design incorporates a parabolic reflector and a tracking system to continuously focus radiant solar energy on the tile. Their energy analysis includes such factors as solar thermal input, radiant heat transfer, and heat flow, the relationship between the firing time and the heat flow density, and the surface quality of the glaze and colorizer. Their results indicate that when the heat flow density rises above a level at which the specific expenditure of heat is no longer dependent on the color of the pigment, this expenditure or input comes to a quarter of what is currently needed using existing technologies and fuels.
- OSTI ID:
- 6561014
- Journal Information:
- Glass Ceram. (Engl. Transl.); (United States), Vol. 43:7/8; Other Information: Translated from Steklo Keram.; 43: No. 8, 5-6(Aug 1986)
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
14 SOLAR ENERGY
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
CERAMICS
GLAZING
HEAT TREATMENTS
SOLAR KILNS
ENERGY AUDITS
PERFORMANCE TESTING
ANTIMONY OXIDES
BORON OXIDES
BUILDING MATERIALS
COBALT OXIDES
COLOR
ENERGY EFFICIENCY
FUEL SUBSTITUTION
GLAZES
HEAT FLOW
NATURAL GAS
PARABOLIC REFLECTORS
RADIANT HEAT TRANSFER
SOLAR PROCESS HEAT
SOLAR TRACKING SYSTEMS
ZIRCONIUM OXIDES
ANTIMONY COMPOUNDS
AUDITS
BORON COMPOUNDS
CHALCOGENIDES
COATINGS
COBALT COMPOUNDS
COVERINGS
EFFICIENCY
ENERGY
ENERGY SOURCES
ENERGY TRANSFER
EQUIPMENT
FLUIDS
FOSSIL FUELS
FUEL GAS
FUELS
GAS FUELS
GASES
HEAT
HEAT TRANSFER
HELIOSTATS
KILNS
MATERIALS
OPTICAL PROPERTIES
ORGANOLEPTIC PROPERTIES
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
PROCESS HEAT
SOLAR CELL ARRAYS
SOLAR COLLECTORS
SOLAR CONCENTRATORS
SOLAR EQUIPMENT
SOLAR REFLECTORS
SOLAR TRACKING
TESTING
TRANSITION ELEMENT COMPOUNDS
ZIRCONIUM COMPOUNDS
360201* - Ceramics
Cermets
& Refractories- Preparation & Fabrication
140909 - Solar Thermal Utilization- Miscellaneous Solar Applications- (1980-)
140905
320303 - Energy Conservation
Consumption
& Utilization- Industrial & Agricultural Processes- Equipment & Processes